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AISI 348H Stainless Steel vs. EN 1.4877 Stainless Steel

Both AISI 348H stainless steel and EN 1.4877 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 348H stainless steel and the bottom bar is EN 1.4877 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
36
Fatigue Strength, MPa 200
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 400
420
Tensile Strength: Ultimate (UTS), MPa 580
630
Tensile Strength: Yield (Proof), MPa 230
200

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 500
560
Maximum Temperature: Mechanical, °C 940
1150
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 20
37
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.9
6.2
Embodied Energy, MJ/kg 56
89
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 18
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
180
Resilience: Unit (Modulus of Resilience), kJ/m3 140
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.1
3.2
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0.040 to 0.1
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 17 to 19
26 to 28
Cobalt (Co), % 0 to 0.2
0
Iron (Fe), % 63.8 to 73.6
36.4 to 42.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 9.0 to 13
31 to 33
Niobium (Nb), % 0.32 to 1.0
0.6 to 1.0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 0.75
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.010
Tantalum (Ta), % 0 to 0.1
0